Gaya APA

Purwanto, P, J. (2004). Kupas tuntas Hardisk ( Maintence Troubleshosting ) . Yogyakarta: Gramedia.

Gaya MLA

Purwanto, Paulus, Joko. "Kupas tuntas Hardisk ( Maintence Troubleshosting )". Yogyakarta: Gramedia, 2004. Text.